Rhianon — girls' name

What the Data Says About Rhianon

The Social Security Administration has registered 355 babies named Rhianon between 1976 and 2008, spanning 33 consecutive years of U.S. birth records. As a girl's name, Rhianon currently falls outside the top 1,000 girls' names for 2008. The name reached its historical peak in 1978, when 25 babies received it in a single year.

Decade-level aggregation shows that Rhianon performed strongest in the 1980s, accumulating 142 births during that ten-year window. Across the 4 decades of recorded activity, Rhianon shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Rhianon in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Rhianon in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 355 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.